US Kayakers have filmed themselves paddling down a waterfall in pitch black conditions wearing LED lights. Brendan Wells, 22, took the incredible footage while paddling down rapids on the White ...

Here's what makes this natural site such an anomaly: Its gurgling whirlpools, impressive rapids and small waterfalls flow one way with the incoming tide and another with the outgoing tide.

By Ana Cíntia Guazzelli (with Cláudio Maretti) Waterfalls, river rapids, a scorching sun, and lots of hard work. These were today's main components, starting at around 6.30 a.m. Once we had packed up ...